Science & Technology

Consider the following statements relating to T the use of the place-value system in India : 1. The earliest epigraphic use of the place-value system in India is found in the Mankani plates from Gujarat (AD 595 — 596), 2. In the ninth century, place-values become general in inscriptions all over India. 3. The place-values have been found in Sanskrit inscriptions in South-east Asia as early as the seventh century. Which of the statements given above are correct ?

Which of the following statements with regard to genetic medicine is/are correct ? 1, Genetic medicines correct/compensate for the faulty genes responsible for disease. 2. Engineered viruses and lipid nanoparticles are used as carriers of the genetic medicine. 3. Genetic medicines alter the entire DNA sequence. Select the answer using the code given below :

Which of the following statements with regard to Large Language Models (LLMs) used in machine learning is/are correct ? 1. LLMs assign probabilities to the next possible words and then pick the one with the highest probability. F 2. LLMs process data _— through mathematical optimization to minimise prediction errors. 3. LLMs produce unbiased outputs. Select the answer using the code given below :

Which of the following statements with regard to stealth technology is/are correct ? 1, Stealth objects have a very small radar cross-section and are coated with Radar Absorbing Material. 2. Stealth objects can be detected using specific frequencies. 3. Stealth objects are coated with metamaterials to increase the scattering of electromagnetic radiation. Select the answer using the code given below : (a) 1 only (b) 2and 3 only (ec) 1 and 2 only (@) 1,2and3

Which of the following statements with regard to Black Boxes used in modern aircrafts is/are correct ? 1. They carry a beacon emitting red light pulses to facilitate underwater detection. & They record both the cockpit voice and flight data. 3. Their memory units are made using either stainless steel or titanium. Select the answer using the code given below :

Consider the following statements with regard to involvement of private entities in India’s space programme : 1. The Indian National Space Promotion and Authorisation Centre (IN-SPACe) is an autonomous agency formed to facilitate participation of private entities. 2. Agnikul Cosmos launched the world’s first flight using 3D-printed rocket engine. 3. Skyroot Aerospace has developed liquid fuel for GSLV. Which of the statements given above is/are correct ?

Which of the following statements with regard to drone swarms is/are correct ? 1. They use Terahertz band of frequency to communicate with the command centre. 2. Individual drones in the swarm can communicate with other drones in the swarm. 3. GPS Spoofing is a commonly used technique to counter drone swarm attack. Select the answer using the code given below :

Which of the following statements with regard to GenomelIndia Project is/are correct ? 1. It is a part of the Human Genome Project. 2. The project is funded by the Department of Biotechnology (DBT), Government of India. 3. Its primary aim is to build a catalogue of genetic diversity of the Indian population. Select the answer using the code given below :

Which of the following statements with regard to the National Quantum Mission (NQM) is/are correct?

Which of the following statements with regard to India’s Deep Ocean Mission is/are correct ? 1. It was launched by the Ministry of Ports, Shipping and Waterways, Government of India. 2. Matsya-6000 has been designed to carry 3 people for deep sea exploration. 3. Samudrayaan is a project under this mission. Select the answer using the code given below : (a) 1 only (b) 2and 3 only (c) 1 and 2 only (d@) ,1,2and3

Which of the following statements about DHRUV64 is/are correct?

The Bureau of Indian Standard (BIS) recently introduced a national standard to test and assess bomb disposal system. Which of the following statements with regard to this system is/are correct ? 1. The new standard is known as IS 19445 : 2025. 2. It will improve interoperability of equipment across agencies. 3. It was developed by TBRL, DRDO in collaboration with the 30 Central Scientific Research Institute, Russia. Select the answer using the code given below :

1. ‘X’, born in the UK, was conferred the Nobel Prize in 2025. He was a professor in an American bniversity when this prize was announced. Identify X -

Which one of the following pairs of semiconductor plants in India and their locations is not correctly matched?

Which of the following statements with regard to India’s indigenous new high resolution weather model, the ‘Bharat Forecast System,’ is/are correct?

Which of the following statements regarding the features of blockchain technology are correct?

Which of the following statements about Rare Earth Blements (REEs) and Critical Minerals infare correct 7 1, Modern technological innovations including Artificial Intelligence, robotics and space exploration extensively utilise Rare Barth Elements (REE). 2, China has the highest share in mining of REEs followed by India. 3. The Government of India launched the National Critical Mineral Mission (NCMM) in 2025 to establish a robust framework for self-reliance in the critical mineral sector, 4, Rare Earth Elements are a set of 12 metallic elements. Select the answer using the code given below : (a) 1 and 3 only (b) only (ce) 1,3and4 (d),, 1,2and4

How many are alternative powertrain vehicles: full battery electric, hydrogen fuel-cell, fuel-cell electric hybrid?

Consider statements that all UAVs can vertically land, all can automatically hover, and all can use only batteries.

Which of cobalt, graphite, lithium and nickel usually make up battery cathodes?

Coal gasification technology can be used in production of how many of ethanol, nitroglycerine and urea?

What is the common characteristic of CL-20, HMX and LLM-105?

Consider statements that Majorana 1 will enable quantum computing, was introduced by AWS, and deep learning is a subset of machine learning.

Consider statements that monoclonal antibodies are man-made proteins, stimulate immune function by binding specific antigens, and are used for viral infections such as Nipah.

Consider statements: no virus can survive in ocean waters; no virus can infect bacteria; no virus can change cellular transcriptional activity in a host.

Consider statements that rare earth elements are used in flat-screen displays and some have phosphorescent properties.

Consider statements about the National Rail Plan, Kavach being developed with Germany, and RFID tags on tracks.

Consider the listed space missions—Aditya-L1, XPoSat and Gaganyaan—and identify how many statements about them are correct.

Match Dornier-228, IL-76 and C-17 Globemaster with their aircraft roles and identify how many pairs are correct.

Consider statements on GAGAN providing additional accuracy/integrity, improving air-traffic management, and being useful only for aviation.

Consider the following statements: Statement-I: India does not import apples from the United States of America. Statement-II: In India, the law prohibits the import of Genetically Modified food without the approval of the competent authority. Which one of the following is correct in respect of the above statements?

Operations undertaken by the Army towards upliftment of the local population in remote areas to include addressing of their basic needs is called:

Which of the following is/are correctly matched in terms of equivalent rank in the three services of Indian Defence forces? 1. Brigadier — Air Commodore — Commander; 2. Major General — Air Vice Marshal — Vice Admiral; 3. Major — Squadron Leader — Lieutenant Commander; 4. Lieutenant Colonel — Group Captain — Captain. Select the correct answer using the code given below:

Which one of the following words/phrases is most appropriately used to denote "an interoperable network of 3D virtual worlds that can be accessed simultaneously by millions of users, who can exert property rights over virtual items"?

With reference to radioisotope thermoelectric generators (RTGs), consider the following statements: 1. RTGs are miniature fission reactors. 2. RTGs are used for powering the onboard systems of spacecrafts. 3. RTGs can use Plutonium-238, which is a by-product of weapons development. Which of the statements given above are correct?

Consider the following statements: Statement-I: Giant stars live much longer than dwarf stars. Statement-II: Compared to dwarf stars, giant stars have a greater rate of nuclear reactions. Which one of the following is correct in respect of the above statements?

Which one of the following is synthesised in human body that dilates blood vessels and increases blood flow?

Consider the following activities: 1. Identification of narcotics on passengers at airports or in aircraft 2. Monitoring of precipitation 3. Tracking the migration of animals. In how many of the above activities can the radars be used?

Consider the following aircraft: 1. Rafael 2. MiG-29 3. Tejas MK-1. How many of above are considered fifth generation fighter aircraft?

In which of the following are hydrogels used? 1. Controlled drug delivery in patients 2. Mobile air-conditioning systems 3. Preparation of Industrial lubricants. Select the correct answer using the code given below:

Which one of the following is the exhaust pipe emission from Fuel Cell Electric Vehicles, powered by hydrogen?

Which of the following organisms perform waggle dance for others of their kin to indicate the direction and the distance to a source of their food?

Consider the following statements : 1. Some :rp.ushrooms have medicinal properties. 2. Some mushrooms have psycho- active properties. 3. Some mushrooms have insecticidal properties. 4. Some mushrooms have biolumi- nescent properties. How many of the above statements are correct?

Consider the following statements : 1. Some microorganisms can grow in environments with temperature above the boiling point of water. 2. Some microorganisms can grow in environments with temperature below the freezing point of water. 3. Some microorganisms can grow in highly acidic environment with a pH below 3. How many of the above statements are correct?

Which one of the following makes a tool with a stick to scrape insects from a hole in a tree or a log of wood?

Consider the following statements 1. Carbon fibres are used in the manufacture of components used in automobiles and aircrafts. 2. Carbon fibres once used cannot be recycled. Which of the statements given above is fare correct?

Consider the following actions : 1. Detection of car crash/ collision which results in the deployment of airbags almos~ instantaneously 2. Detection of accidental free fall of a laptop towards the ground which results in the immediate turning off of the hard drive 3. Detection of the tilt of the smart- phone which results in the rotation of display between portrait and landscape mode In how many of the above actions is the function of accelerometer required?

With reference to the role of biofilters in Recirculating Aquaculture System, consider the following statements : I 1. Biofilters provide waste treatment by removing uneaten fish feed. ~ 2. Biofilters convert ammonia present in fish waste to nitrate. 3 . Biofilters increase phosphorus as nutrient for fish in water. How many of the statements given above are correct?

Consider the following pairs : Objects in Description space 1. Cepheids Giant clouds of dust and gas in space 2. Nebulae Stars which brighten and dim periodically 3. Pulsars Neutron stars that are formed when massive stars run out of fuel and collapse How . many of the above pairs are correctly matched?

Which one of the following countries has its own Satellite Navi~ation System?

Consider the following statements : 1. Ballistic missiles are jet-propelled at subsonic speeds throughout their flights, while cruise missiles are rocket-powered only in the initial phase of flight. 2. Agni-V is a medium-range supersonic cruise missile, while BrahMos is a solid-fuelled intercontinental ballistic missile. Which of the statements given above isfare correct?

“Wolbachia method” is sometimes talked about with reference to which one of the following?

Consider the following activities : 1. Spreading finely ground basalt rock on farmlands extensively 2. Increasing the alkalinity of oceans by adding _lime . 3. Capturing carbon dioxide released by various industries and pumping it into abandoned subterranean mines in the form of carbonated waters I ' ~ How many of tJ:le above activities are often considered and discussed for carbon capture and sequestration?

'Aerial metagenomics' best refers to which one of the following situations?

'Microsatellite DNA' is used in the case of which one of the following?

With reference to India, consider the following statements: 1. Monazite is a source of rare earths. 2. Monazite contains thorium. 3. Monazite occurs naturally in the entire Indian coastal sands in India. 4. In India, Government bodies only can process or export monazite." Which of the statements given above are correct? Road, Patna, Bihar 800001 | Hyderabad - 1st & 2nd Floor, SM Plaza, RTC X Rd, Indira Park Road, Jawahar Nagar, Hyderabad, Telangana 500020

With reference to Web 3.0, consider the following statements: 1. Web 3-0 technology enables people to control their own data. 2. In Web 3.0 world, there can be blockchain based social networks. 3. Web 3-0 is operated by users collectively rather than a corporation. Which of the statements given above are correct?

With reference to "Software as a Service (SaaS)", consider the following statements: 1. SaaS buyers can customise the user interface and can change data fields. 2. SaaS users can access their data through their mobile devices. 3. Outlook, Hotmail and Yahoo! Mail are forms of SaaS. Which of the statements given above are correct?

Which one of the following statements best reflects the idea behind the "Fractional Orbital Bombardment System" often talked about in media?

Which one of the following is the context in which the term "qubit" is mentioned?

Consider the following communication technologies: 1. Closed-circuit Television 2. Radio Frequency Identification 3. Wireless Local Area Network Which of the above are considered communication Short-Range devices/technologies?

Consider the following statements: 1. Biofilms can form on medical implants within human tissues. 2. Biofilms can form on food and food processing surfaces. 3. Biofilms can exhibit antibiotic resistance. Which of the statements given above are correct?

Consider the following statements in respect of probiotics: 1. Probiotics are made of both bacteria and yeast. 2. The organisms in probiotics are found in foods we ingest but they do not naturally occur in our gut. 3. Probiotics help in the digestion of milk sugars. Which of the statements given above is/are correct?

In the context of vaccines manufactured to prevent COVID-19 pandemic, consider the following statements: 1. The Serum Institute of India produced COVID-19 vaccine named Covishield using mRNA platform. 2. Sputnik. V vaccine is manufactured using vector-based platform. 3. COVAXIN is an inactivated pathogen-based vaccine. Road, Patna, Bihar 800001 | Hyderabad - 1st & 2nd Floor, SM Plaza, RTC X Rd, Indira Park Road, Jawahar Nagar, Hyderabad, Telangana 500020 Which of the statements given above are correct?

If a major solar storm (solar flare) reaches the Earth, which of the following are the possible effects on the Earth? 1. GPS and navigation systems could fail. 2. Tsunamis could occur at equatorial regions. 3. Power grids could be damaged. 4. Intense auroras could occur over much of the Earth. 5. Forest fires could take place over much of the planet. 6. Orbits of the satellites could be disturbed. 7. Shortwave radio communication of the aircraft flying over polar regions could be interrupted. Select the correct answer using the code given below:

With reference to Non-Fungible Tokens (NFTs), consider the following statements: 1. They enable the digital representation of physical assets. 2. They are unique cryptographic tokens that exist on a blockchain. 3. They can be traded or exchanged at equivalency and therefore can be used as a medium of commercial transactions. Which of the statements given above are correct?

Which one of the following statements best describes the role of B cells and T cells in the human body?

Consider the following statements: 1. Other than those made by humans, iianoparticles do not exist in nature. 2. Nanoparticles of some metallic oxides are used in the manufacture of some cosmetics. 3. Nanoparticles of some commercial products which enter the environment are unsafe for humans. Which of the statements given above is/are correct? Road, Patna, Bihar 800001 | Hyderabad - 1st & 2nd Floor, SM Plaza, RTC X Rd, Indira Park Road, Jawahar Nagar, Hyderabad, Telangana 500020

Consider the following statements: DNA Barcoding can be a tool to: 1. Assess the age of a plant or animal. 2. Distinguish among species that look alike. 3. Identify undesirable animal or plant materials in processed foods. Which of the statements given above is/are correct?

Water can dissolve more substances than any other liquid because

With reference to street-lighting, how do sodium lamps differ from LED lamps? 1. Sodium lamps produce light in 360 degrees but it is not so in the case of LED lamps. 2. As street-lights, sodium lamps have longer life span than LED lamps. 3. The spectrum of visible light from sodium lamps is almost monochromatic while LED lamps offer significant colour advantages in street-lighting. Select the correct answer using the code given below.

The term ‘ACE2’ is talked about in the context of

Bisphenol A (BPA), a cause of concern, is a structural/key component in the manufacture of which kind of plastics?

‘Triclosan’, considered harmful when exposed to high levels for a long time, is most likely present in which of the following?

Which one of the following is a reason why astronomical distances are measured in light-years?

With reference to recent developments regarding ‘Recombinant Vector Vaccines’, consider the following statements: 1. Genetic engineering is applied in the development of these vaccines. 2. Bacteria and viruses are used as vectors. Which of the statements given above is/are correct?

In the context of hereditary diseases, consider the following statements: 1. Passing on mitochondrial diseases from parent to child can be prevented by mitochondrial replacement therapy either before or after in vitro fertilization of egg. 2. A child inherits mitochondrial diseases entirely from mother and not from father. Which of the statements given above is/are correct?

In a pressure cooker, the temperature at which the food is cooked depends mainly upon which of the following? 1. Area of the hole in the lid 2. Temperature of the flame 3. Weight of the lid. Select the correct answer using the code given below.

Consider the following: Bacteria, Fungi, Virus. Which of the above can be cultured in artificial/synthetic medium?

Consider the following statements: 1. Adenoviruses have single-stranded DNA genomes whereas retroviruses have double-stranded DNA genomes. 2. Common cold is sometimes caused by an adenovirus whereas AIDS is caused by a retrovirus. Which of the statements given above is/are correct?

Which one of the following is used in preparing a natural mosquito repellent?

With reference to carbon nanotubes, consider the following statements: 1. They can be used as carriers of drugs and antigens in the human body. 2. They can be made into artificial blood capillaries for an injured part of human body. 3. They can be used in biochemical sensors. 4. Carbon nanotubes are biodegradable. Which of the statements given above are correct?

Consider the following activities: 1. Spraying pesticides on a crop field 2. Inspecting the craters of active volcanoes 3. Collecting breath samples from spouting whales for DNA analysis At the present level of technology, which of the above activities can be successfully carried out by using drones?

“The experiment will employ a trio of spacecraft flying in formation in the shape of an equilateral triangle that has sides one million kilometres long, with lasers shining between the craft. The experiment in question refers to

Consider the following statements: 1. Genetic changes can be introduced in the cells that produce eggs or sperms of a prospective parent. 2. A person’s genome can be edited before birth at the early embryonic stage. 3. Human induced pluripotent stem cells can be injected into the embryo of a pig. Which of the statements given above is / are correct?

What is the importance of using Pneumococcal Conjugate Vaccines in India? 1. These vaccines are effective against pneumonia as well as meningitis and sepsis. 2. Dependence on antibiotics that are not effective against drug-resistant bacteria can be reduced. 3. These vaccines have no side effects and cause no allergic reactions. Select the correct answer using the code given below:

In India, the term “Public Key Infrastructure” is used in the context of

Which of the following statements are correct regarding the general difference between plant and animal cells? 1. Plant cells have cellulose cell walls whilst animal cells do not. 2. Plant cells do not have plasma membrane unlike animal cells which do 3. Mature plant cell has one large vacuole whilst animal cell has many small vacuoles. Select the correct answer using the code given below:

In the context of recent advances in human reproductive technology, “Pronuclear Transfer” is used for

With the present state of development, Artificial Intelligence can effectively do which of the following? 1. Bring down electricity consumption in industrial units 2. Create meaningful short stories and songs 3. Disease diagnosis 4. Text-to-Speech Conversion 5. Wireless transmission of electrical energy Select the correct answer using the code given below:

With reference to Visible Light Communication (VLC) technology, which of the following statements are correct? 1. VLC uses electromagnetic spectrum wavelengths 375 to 780 nm 2. VLC is known as long-range optical wireless communication. 3. VLC can transmit large amounts of data faster than Bluetooth. 4. VLC has no electromagnetic interference. Select the correct answer using the code given below:

With reference to “Blockchain Technology”, consider the following statements: 1. It is a public ledger that everyone can inspect, but which no single user controls. 2. The structure and design of blockchain is such that all the data in it are about cryptocurrency only. 3. Applications that depend on basic features of blockchain can be developed without anybody’s permission. Which of the statements given above is/are correct?

In India, why are some nuclear reactors kept under “IAEA Safeguards” while other are not?

With Reference to communication technologies, what is/are the difference/differences between LTE (Long-Term Evolution) and VOLTE (Voice over Long-Term Evolution)? 1. LTE is commonly marketed as 3G and VOLTE is Commonly marketed as advanced 3G. 2. LTE is Data-only Technology and VOLTE is voice-only technology. Selected the Corrected answer using the code given below.

Consider the following statements: 1. According to the Indian Patents Act, a biological process to create a seed can be patented in India. 2. In India, there is no Intellectual Property Appellate Board. 3. Plant varieties are not eligible to be patented in India. Which of the statements given above is/are correct?

In the context of digital technologies for entertainment, consider the following statements: 1. In Augmented Reality (AR), a simulated environment is created and the physical world is completely shut out. 2. In Virtual Reality (VR), images generated from a computer are projected onto real-life objects or surroundings. 3. AR allows individuals to be present in the world and improves the experience using the camera of smart-phone or PC. 4. VR closes the world, and transposes an individual, providing complete immersion experience. Which of the statements given above is/are correct?

The word ‘Denisovan’ is sometimes mentioned in media in reference to

With reference to the recent developments in science, which one of the following statements is ***not ***correct?

Consider the following statements: A digital signature is 1. An electronic record that identifies the certifying authority issuing it 2. Used to serve as a proof of identity of an individual to access information or server on Internet 3. An electronic method of signing an electronic document and ensuring that the original contenet is unchanged Which of the statements given above is/are correct?

In the context of wearable technology, which of the following tasks is/are accomplished by wearable devices? 1. Location identification of a person 2. Sleep monitoring of a person 3. Assisting the hearing impaired person Select the correct answer using the code given below

‘RNA Interference (RNAi)’ technology has gained popularity in the last few years. why? 1. It is used in developing gene silencing therapies 2. It can be used in developing therapies for the treatment of cancer 3. It can be used to developer hormone replacement therapies 4. It can be used to produce crop plants that are resistant to viral pathogens Select the correct answer using the code given below.

Recently, scientists observed the merger of giants ‘blackholes’ billions of lightyear away from the Earth. What is the significance of this observation?

Which of the following are the reasons for the occurrence of multi-drug resistance in microbial pathogens in India? 1. Genetic predisposition of some people. 2. Taking incorrect doses of antibiotics to cure diseases 3. Using antibiotics in livestock farming. 4. Multiple chronic diseases in some people Select the correct answer using the code given below.

what is Cas9 protein that is often mentioned in news?

Which one of the following statements is not correct?

Atal Innovation Mission is set up under the

In the context of proposals to the use of hydrogen-enriched CNG (H-CNG) as fuel for buses in public transport, consider the following statements: 1. The main advantage of the use of H-CNG is elimination of carbon monoxide emissions. 2. H-CNG as fuel reduces carbon dioxide and hydrocarbon emissions. 3. Hydrogen up to one-fifth by volume can be blended with CNG as fuel for buses. 4. H-CNG makes the fuel less expensive than CNG. Which of the statements given above is/are correct?

In the Indian context, what is the implication of ratifying the ‘Additional Protocol’ with the \International Atomic Energy Agency (IAEA)’ ?

What is “Terminal High Altitude Area Defense (THAAD)”, sometimes seen in the news?

In which of the following areas can GPS technology be used? 1. Mobile phone operations 2. Banking operations 3. Controlling the power grids Select the correct answer using the code given below:

Consider the following statements: 1. The Earth’s magnetic field has reversed every few hundred thousand years. 2. When the Earth was created more than 4000 million years ago, there was 54% oxygen and no carbon dioxide. 3. When living organisms originated, they modified the early atmosphere of the Earth. Which of the statements given above is/are correct?

The terms ‘Wanna Cry, Petya and Eternal Blue’ sometimes mentioned in the news recently are related to

With reference to the Indian Regional Navigation Satellite System (IRNSS), consider the following statements : 1. IRNSS has three satellites in geostationary and four satellites in geosynchronous orbits. 2. IRNSS covers entire India and about 5500 sq. km beyond its borders. 3. India will have its own satellite navigation system with full global coverage by the middle of 2019. Which of the statements given above is/are correct?

Consider the following phenomena : 1. Light is affected by gravity. 2. The Universe is constantly expanding. 3. Matter warps its surrounding space-time. Which of the above is/are the prediction/predictions of Albert Einstein’s General Theory of Relativity, often discussed in media ?

With reference to the Genetically Modified mustard (GM mustard) developed in India, consider the following statements : 1. GM mustard has the genes of a soil bacterium that give the plant the property of pest-resistance to a wide variety of pests. 2. GM mustard has the genes that allow the plant cross-pollination and hybridization. 3. GM mustard has been developed jointly by the IARI and Punjab Agricultural University. Which of the statements given above is/are correct ?

Consider the following pairs : Terms sometimes seen in news Context /Topic 1. Belle II experiment – Artificial Intelligence 2. Blockchain technology – Digital/Cryptocurrency 3. CRISPR — Cas9 – Particle Physics Which of the pairs given above is/are correctly matched ?

When the alarm of your smartphone rings in the morning, you wake up and tap it to stop the alarm which causes your geyser to be switched on automatically. The smart mirror in your bathroom shows the day’s weather and also indicates the level of water in your overhead tank. After you take some groceries from your refrigerator for making breakfast, it recognises the shortage of stock in it and places an order for the supply of fresh grocery items. When you step out of your house and lock the door, all lights, fans, geysers and AC machines get switched off automatically. On your way to office, your car warns you about traffic congestion ahead and suggests an alternative route, and if you are late for a meeting, it sends a- message to your office accordingly. In the context of emerging communication technologies, which one of the following term” best applies to the above scenario?

“3D printing” has applications in which of the following? 1. Preparation of confectionery items 2. Manufacture of bionic ears 3. Automotive industry 4. Reconstructive surgeries 5. Data processing technologies Select the correct answer using the code given below :

With reference to India’s satellite launch vehicles, consider the following statements: 1. PSLVs launch the satellites useful for Earth resources monitoring whereas GSLVs are designed mainly to launch communication satellites. 2. Satellites launched by PSLV appear to remain permanently fixed in the same position in the sky, as viewed from a particular location on Earth. 3. GSLV Mk III is a four-staged launch l vehicle with the first and third stages l using solid rocket motors; and the second and fourth stages using liquid rocket engines. Which of the statements given above is/are correct.?

Which of the following statements is/are correct regarding Smart India Hackathon 2017? 1. It is centrally sponsored scheme for developing every city of our country into Smart Cities in a decade 2. It is an initiative to identify new digital technology innovation for solving the many problems faced by our country. 3. It is a programme aimed at making all the financial transactions in our country complete digital in a decade. Select the correct answer using the codes given below.

It is possible to produce algae based biofuels, but what is/are the likely limitation(s) of developing countries in promoting this industry? 1. Production of algae based biofuels is possible in seas only an not on continents 2. Setting up and engineering the algae based biofuel production requires high level of expertise/technology until the construction is completed. 3. Economically viable production necessitates the setting up of large scale facilities which may rise ecological and social concerns Select the correct answer using the codes given below

Consider the following statements: 1. In tropical regions, Zika virus disease is transmitted by the same mosquito that transmits dengue 2. Sexual transmission of Zika virus disease is possible. Which of the statements given above is/are correct?

The terms ‘Event Horizon’, ‘Singularity’ ‘String Theory’ and ‘Standard Model’ are sometimes seen in the news in the context of

With reference to agriculture in India, how can the technique of ‘genome sequencing’ often seen in the news, be used in the immediate future? 1. Genome sequencing can be used to identify genetic markers for disease resistance and drought tolerance in various crop plants. 2. It can be used to decipher the host-pathogen relationships in crops. Select the correct answer using the code given below:

Consider the following pairs : Commonly used/ Unwanted or consumed materials controversial chemicals likely to be found in them 1. Lipstick — Lead 2. Soft drinks — Brominated vegetable oils 3. Chinese fast food — Monosodium glutamate Which of the pairs given above is/are correctly matched?

Organic Light Emitting Diodes (OLEDs) are used to create digital display in many devices. What are the advantages of OLED displays over Liquid Crystal displays? 1. OLED displays can be fabricated on flexible plastic substrates. 2. Roll-up displays embedded in clothing can be made using OLEDs. 3. Transparent/displays are possible using OLEDs Select the correct answer using the code given below:

What is the application of Somatic Cell Nuclear Transfer Technology?

In India, it is legally mandatory for which of the following to report on cyber security incidents? 1. Service providers 2. Data Centres 3. Body corporate Select the correct answer using the code given below:

What is the purpose of ‘evolved Laser Interferometer Space Antenna (ELISA)’ project?

1. Viruses can infect 2. bacteria 3. fungi 4. plants

1. Other than USA and Russia, India is the only country to have launched a similar observatory into space. 2. Astrosat is a 2000 kg satellite placed in an orbit at 1650 km above the surface of the Earth.

The Mangalyaan launched by ISRO 1. is also called the Mars Orbiter Mission 2. made India the second country to have a spacecraft orbit the Mars after USA 3. made India the only country to be successful in making its spacecraft orbit the Mars in its very first attempt Which of the statements given above is/are correct?

1. It uses light as the medium for high-speed data transmission. 2. It is a wireless technology and is several times faster than ‘Wi-Fi’.

Which of the following statements is/are correct regarding National Innovation Foundation-India (NIF)?

Among the following, which were frequently mentioned in the news for the outbreak of Ebola virus recently?

With reference to the use of nano-technology in health sector, which of the following statements is/are correct?

In the context of modem scientific research, consider the following statements about ‘IceCube’, a particle detector located at South Pole, which was recently in the news:

With reference to ‘Near Field Communication (NFC) Technology’, which of the following statements is/are correct?

The term ‘Goldilocks Zone’ is often seen in the news in the context of

Indira Gandhi Prize for Peace, Disarmament and Development for 2014 was given to which one of the following?

The Genetic Engineering Appraisal Committee is constituted under the

In which of the following activities are Indian Remote Sensing (IRS) satellites used?

The term ‘IndARC’, sometimes seen in the news, is the name of

HINI virus is sometimes mentioned in the news with reference to which one of the following diseases?

With reference to bio-toilets used by the Indian Railways, consider the following statements:

With reference to ‘fuel cells’ in which hydrogen-rich fuel and oxygen are used to generate electricity, consider the following statements:

Consider the following pairs: Vitamin Deficiency disease 1. Vitamin C Scurvy 2. Vitamin D Rickets 3. Vitamin E Night blindness Which of the pairs given above is/are correctly matched?

There is some concern regarding the nanoparticles of some chemical elements that are used by the industry in the manufacture of various products. Why? 1. They can accumulate in the environment, and contaminate water and soil. 2. They can enter the food chains. 3. They can trigger the production of free radicals.

Lichens, which are capable of initiating ecological succession even on a bare rock, are actually a symbiotic association of

Which reference to Agni-IV Missile, which of the following statements is/are correct? 1. It is a surface-to-surface missile. 2. It is fuelled by liquid propellant only. 3. It can deliver one-tonne nuclear warheads about 7500 km away.

With reference to two non-conventional energy sources called ‘coalbed methane’ and ‘shale gas’, consider the following ‘statements: 1. Coalbed methane is the pure methane gas extracted from coal seams, while shale gas is a mixture of propane and butane only that can be extracted from fine-grained sedimentary rocks. 2. In India abundant coalbed methane sources exist, but so far no shale gas sources have been found. Which of the statements given above is/are correct?

With reference to Neem tree, consider the following statements: 1. Neem oil can be used as a pesticide to control the proliferation of some species of insects and mites. 2. Neem seeds are used in the manufacture of biofuels and hospital detergents. 3. Neem oil has applications in pharmaceutical industry. Which of the statements given above is/are correct?

Which one of the following is the process involved in photosynthesis?

In addition to fingerprint scanning, which of the following can be used in the biometric identification of a person? 1. Iris scanning 2. Retinal scanning 3. Voice recognition

Which of the following statements is / are correct regarding vegetative propagation of plants? 1. Vegetative propagation produces clonal population. 2. Vegetative propagation helps in eliminating the virus. 3. Vegetative propagation can be practiced most of the year.

Which of the following pair is/are correctly matched? Spacecraft Purpose 1. Cassini-Huygens : Orbiting the Venus and transmitting data to the Earth 2. Messenger : Mapping and investigating the Mercury 3. Voyager 1 and 2 : Exploring the outer solar system

Which of the following is/are the example/examples of chemical change? 1. Crystallization of sodium chloride 2. Melting of ice 3. Souring of milk

Consider the following techniques/phenomena: 1. Budding and grafting in fruit plants 2. Cytoplasmic male sterility 3. Gene silencing Which of the above is/are used to create transgenic crops?

Consider the following statements: 1. Maize can be used for the production of starch. 2. Oil extracted from maize can be a feedstock for biodiesel. 3. Alcoholic beverages can be produced by using maize. Which of the statements given above is/are correct?

Among the following organisms, which one does not belong to the class of other three?

With reference to Bombay Natural History Society (BNHS), consider the following statements: 1. It is an autonomous organization under the Ministry of Environment and Forests. 2. It strives to conserve nature through action-based research, education and public awareness. 3. It organizes and conducts nature trails and camps for the general public. Which of the statements given above is/are correct?

With reference to a conservation organization called Wetlands International’, which of the following statements is/are correct? 1. It is an intergovernmental organization formed by the countries which are signatories to Ramsar Convention. 2. It works at the field level to develop and mobilize knowledge, and use the practical experience to advocate for better policies.

Recombinant DNA technology (Genetic Engineering) allows genes to be transferred 1\. across different species of plants 2\. from animals to plants 3\. from microorganisms to higher organisms Select the correct answer using the codes given below.

Consider the following animals: 1\. Sea cow 2\. Sea horse 3\. Sea lion Which of the above is/are mammal/mammals?

Improper handling and storage of cereal grains and oilseeds result in the production of toxins known as aflatoxins which are not generally destroyed by normal cooking process. Aflatoxins are produced by

Which of the following diseases can be transmitted from one person to another through tattooing? 1\. Chikungunya 2\. Hepatitis B 3\. HIV-AIDS Select the correct answer using the codes given below.

Consider the following minerals 1\. Calcium 2\. Iron 3\. Sodium Which of the minerals given above is/are required by human body for the contraction of muscles?

During a thunderstorm, the thunder in the skies is produced by the 1\. meeting of cumulonimbus clouds in the sky 2\. lightning that separates the nimbus clouds 3\. violent upward movement of air and water particles Select the correct answer using the codes given below.

Fruits stored in a cold chamber exhibit longer storage life because

Ball bearings are used in bicycles, cars, etc., because

Consider the following phenomena: 1\. Size of the sun at dusk 2\. Colour of the sun at dawn 3\. Moon being visible at dawn 4\. Twinkle of stars in the sky 5\. Polestar beingvisible in the sky Which of the above are optical illusions?

Rainbow is produced when sunlight falls on drops of rain. Which of the following physical phenomena are responsible for this? 1\. Dispersion 2\. Refraction 3\. Internal reflection Select the correct answer using the codes given below.

Many transplanted seedlings do not grow because

Which of the following statements is / are correct? 1\. Viruses lack enzymes necessary for the generation of energy. 2\. Viruses can be cultured in any synthetic medium. 3\. Viruses are transmitted from one organism to another by biological vectors only. Select the correct answer using the codes given below.

Which of the following leaf modifications occurs/occur in desert areas to inhibit water loss? 1\. Hard and waxy leaves 2\. Tiny leaves or no leaves 3\. Thorns instead of leaves Select the correct answer using the codes given below.

The known forces of nature can be divided into four classes, viz, gravity electromagnetism, weak nuclear force and strong nuclear force. with reference to them, which one of the following statements is not correct?

The efforts to detect the existence of Higgs boson particle have become frequent news in the recent past. What is /are the importance/importances of discovering this particle? 1\. It will enable us to understand as to why elementary particles have mass. technology to transferring matter from one point to another without traversing the physical space between them. 3\. It will enable us to create better fuels for nuclear fission. Select the correct answer using the codes given below:

Mycorrhizal biotechnology has been used in rehabilitating degraded sites because mycorrhiza enables the plants to 1\. resist drought and increase absorptive area 2\. tolerate extremes of PH 3\. Resist disease infestation Select the correct answer using the codes given below:

To meet its rapidly growing energy demand, some opine that India should pursue research and development on thorium as the future fuel of nuclear energy. In this context what advantage does thorium hold over uranium? 1\. Thorium is far more abundant in nature than uranium. 2\. On the basis per unit mass of mined mineral, thorium can generate more energy compared to natural uranium. 3\. Thorium produces less harmful waste compared to uranium.

Which one of the following sets of elements was primarily responsible for the origin of life on the Earth?

What are the reasons for the people’s resistance to the introduction of BT brinjal in India? 1 BT brinjal has been created by inserting a gene from a soil fungus into its genome. 2 the seeds of BT brinjal are terminator seeds and therefore, the farmers have to buy the seeds before every season from the seed companies. 3 there is an apprehension that the consumption of BT brinjal may have adverse impact on health. 4 there is some concern that the introduction of BT brinjal may have adverse effect on the biodiversity.

Other than resistance to pests, what are the prospects for which genetically engineered plants have been created?

Consider the following statements: If there were no phenomenon of capillarity 1 it would be difficult to use a kerosene lamp 2 one would not be able to use a straw to consume a soft drink 3 the blotting paper would paper would fail to function 4 the big trees that we see around would not have grown on the earth **Which of the following statements given above are correct?**

Consider the following kinds of organisms: 1 Bacteria 2 fungi 3 flowering plants **some species of which of the above kinds of organisms are employed as bio pesticides?**

Biomass gasification is considered to be one of the sustainable solutions to the power crisis in India. In this context which of the following statements correct? 1 Coconut shells, groundnut shells and rice husk can be used in biomass gasification 2 The combustible gases generated from biomass gasification consist of hydrogen and carbon dioxide only 3.The combustible gases generated from biomass gasification can be used for direct heat generation but not in internal combustion engines. Select the correct answer using the codes given below:

What is the role of ultraviolet (UV) radiation in the water purification systems? 1. It inactivates/kills the harmful microorganisms in water. 2. It removes all the undesirable odours from the water. 3. It quickens the sedimentation of solid particles, removes turbidity and improves the clarity of water. **Which of the statements given above is/are correct?**

Graphene is frequently in news recently. What is its important? 1. It is a two-dimensional material and has good electrical conductivity. 2. It is one of the thinnest but strongest materials tested so far. 3. It is entirely made of silicon and has high optical transparency. 4. It can be used as ‘conducting electrodes’ requires for touch screens, LCD’s and organic LED’s **Which of the statements given above are correct?**

Lead, ingested or inhaled, is a health hazard. After the addition of lead to petrol has been banned, what still are the sources of lead poisoning? 1 Smelting units 2 Pens pencils 3 Paints 4 Hair oils and cosmetics **select the correct answer using the codes given below:**

With reference to ‘stem cells’, frequently in the news which of the following statements is/are correct? 1\. Stem cells can be derived from mammals only. 2\. Stem cells can be used for screening new drugs. 3\. Stem cells can be used for medical therapies. **Select the correct answer using the codes given below:**

team of scientists at Brookhaven National Laboratory including from India created the heaviest anti-matter (anti-helium nucleus). What is/are the implications of the creation of anti-matter? 1\. It will make mineral prospecting and oil exploration easier and cheaper. 2\. It will help probe the possibility of the existence of stars and galaxies made of anti matter. 3\. It will help understand the evolution of the universe. **Select the correct answer using the codes given below:**

Which of the following is/are cited by the scientists as evidence/evidences for the continued expansion of universe? 1\. Detection of microwaves in space 2\. Observation of redshirt phenomenon in space 3\. Movement of asteroids in space 4\. Occurrence of supernova explosions in space code

An artificial satellite orbiting around the Earth does not fall down. This is so because the attraction of Earth.

Which is the difference between asteroids and comets? 1. Asteroids are small rocky planetoids, while comets are formed of frozen gases held together by rocky and metallic material. 2. Asteroids are found mostly between the orbits of Jupiter and Mars, while comets are found mostly between Venus and Mercury. 3. Comets show a perceptible glowing tail, while asteroids do not. Which of the statements given above is/are correct?

Consider the following: 1. Photosynthesis 2. Respiration 3. Decay of organic matter 4. Volcanic action Which of the above add carbon dioxide to the carbon cycle on Earth?

The surface of a lake is frozen in severe winter, but the water at its bottom is still liquid. What is the reason?

What is the difference between Bluetooth and Wi-Fi devices?

Regular intake of fresh fruits and vegetables is recommended in the diet since they are a good source of antioxidants. How do antioxidants help a person maintain health and promote longevity?

What is “Virtual Private Network”?

Satellites used for telecommunication relay are kept in a geostationary orbit. A satellite is said to be in such an orbit when: 1. The orbit is geosynchronous. 2. The orbit is circular. 3. The orbit lies in the plane of the Earth’s equator. 4. The orbit is at an altitude of 22,236 km. Select the correct answer using the codes given below:

At present, scientists can determine the arrangement or relative positions of genes of DNA sequences on a chromosome. How does this knowledge benefit us? 1. It is possible to know the pedigree of livestock. 2. It is possible to understand the causes of all human diseases. 3. It is possible to develop disease-resistant animal breeds. Which of the statements given above is/are correct?

Microbial fuel cells are considered a source of sustainable energy. Why? 1. They use living organisms as catalysts to generate electricity from certain substrates. 2. They use a variety of inorganic materials as substrates. 3. They can be installed in waste water treatment plants to cleanse water and produce electricity. Which of the statements given above is/are correct?

The function of heavy water in a nuclear reactor is to

A company marketing food products advertises that its items do not contain trans- fats. What does this campaign signify to the customers? 1. The food products are not made out of hydrogenated oils. 2. The food products are not made out of animal fats/oils. 3. The oils used are not likely to damage the cardiovascular health of the consumers. Which of the statements given above is/are correct?

Aspartame is an artificial sweetener sold in the market. It consists of amino acids and provides calories like other amino acids. Yet, it is used as a low-calorie sweetening agent in food items. What is the basis of this use?

What is the difference between a CFL and an LED lamp? 1. To produce light, a CFL uses mercury vapour and phosphor while an LED lamp uses semi-conductor material. 2. The average life span of a CFL is much longer than that of an LED lamp 3. A CFL is less energy-efficient as compared to an LED lamp. Which of the statements given above is/are correct?

Recently, “oilzapper” was in the news. What is it?

A married couple adopted a male child. A few years later, twin boys were born to them. The blood group of the couple is AB positive and O negative. The blood group of the three sons is A positive, B positive, and O positive. The blood group of the adopted son is

A new optical disc format know as the Blu-ray Disc (BD) is becoming popular. In What way is it different form the traditional DVD? 1. DVD supports standard Definition video while BD supports High definition Video. 2. Compared to a DVD, the BD format has several times more storage capacity. 3. Thickness of BD is 2.4 mm while that of DVD is 1.2 mm. Which of the statements given above is/are correct?

When the bark of a tree is removed in a circular fashion all around near its base, it gradually dries up and dies because

A layer in the Earth’s atmosphere called Ionosphere facilitates radio communication. Why? 1. The presence of ozone causes the reflection of radio waves to Earth. 2. Radio waves have a very long wavelength. Which of the statements given above is/are correct?

A genetically engineered form of brinjal, known as the Bt-brinjal, has been developed. The objective of this is